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notsponge [240]
1 year ago
15

Expand and simplify (2x + 3) (x + 7)

Mathematics
1 answer:
RUDIKE [14]1 year ago
5 0

Answer:

2x^{2} +17x+21

Step-by-step explanation:

multiply the 2x by x and 7 and then multiply 3 by x and 7. you will get 2x^{2}+14x+3x+21. combine like terms so add 14x to 3x and thats the only like trerms in the equation. so 2x^2+17x+21

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A group of 83 students are visiting the National Aquarium in Baltimore. Volunteers lead tours for groups no larger than 5 studen
Fiesta28 [93]

Answer:

17 tour guides

Step-by-step explanation:

First, we need to divide 83 by 5.

  • 83 ÷ 5 = 16 R 3

As you can see, there are 16 tour guides that can handle 5 students each. However, there are a remainder of 3 students, so we need one extra tour guide. Thus, the answer is 17 tour guides.

8 0
2 years ago
Read 2 more answers
Simplify: -4 2/10 - (-13 1/10)
tamaranim1 [39]

Answer:

The answer is 8 9/10

Step-by-step explanation:

hope this helps

4 0
3 years ago
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A) 5√160=
drek231 [11]

Answer:

a) 20\sqrt{35}

b) 7\sqrt{5}

c) 18\sqrt{2}

d) 5\sqrt{2}

e) 36\sqrt{3}

f) 72

g) 10\sqrt{3}

Step-by-step explanation:

8 0
3 years ago
This is the question
Nana76 [90]
Shape A is congruent to shape F as shown by a reflection across the y-axis and then a translation down 3 units
Shape B is congruent to Shape D as shown by a reflection across the y-axis and then a translation down 2 units
6 0
3 years ago
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(Geometry HELP) The perimeter of WXY is ___ cm?
jeka57 [31]
I hope this helps you



QR=WS=2.93



RS=QW =2.04


QS=XR =2.28


RS=XQ=2.04



SY=QR =2.93


RY=QS =2.28


XY=XR+RY=2.28+2.28=4.56


XW=XQ+QW=2.04+2.04=4.08


WY=WS+SY=2.93+2.93=5.86


Perimeter of XYW=XW+WY+XY


Perimeter of XYW=4.08+5.86+4.56


Perimeter of XYW =14.5


8 0
3 years ago
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